Home / 4,102.71-6,154.47-1,636.95

Finding the Fourth Proportional to 4,102.71, 6,154.47 and 1,636.95

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Solution

The fourth proportional to 4,102.71, 6,154.47 and 1,636.95 is: 2,455.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.71 : 6,154.47 = 1,636.95 : x
  2. Step 2: Convert to fraction form
    4,102.71/6,154.47 = 1,636.95/x
  3. Step 3: Cross multiply
    4,102.71x = 6,154.47 × 1,636.95
  4. Step 4: Simplify right side
    4,102.71x = 10,074,559.67
  5. Step 5: Solve for x
    x = 10,074,559.67/4,102.71
  6. Step 6: Final answer
    x = 2,455.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.